Problem resolved. Letsencrypt was in use and it overrode the nginx.conf allowed protocols in file
/etc/letsencrypt/options-ssl-nginx.conf Posted at Nginx Forum: https://forum.nginx.org/read.php?2,282020,282030#msg-282030 _______________________________________________ nginx mailing list nginx@nginx.org http://mailman.nginx.org/mailman/listinfo/nginx
